Cleanup splitting string into a pair

Signed-off-by: solonovamax <solonovamax@12oclockpoint.com>

libraries/launcher/org/prismlauncher/utils/StringUtils.java

@@ -0,0 +1,15 @@
+package org.prismlauncher.utils;
+
+
+public final class StringUtils {
+    private StringUtils() {
+    }
+    
+    public static String[] splitStringPair(char splitChar, String input) {
+        int splitPoint = input.indexOf(splitChar);
+        if (splitPoint == -1)
+            return null;
+        
+        return new String[]{ input.substring(0, splitPoint), input.substring(splitPoint + 1) };
+    }
+}